Marie Curie — "I am not afraid of anything. I am only afraid of not being able to do my work."

"I am among those who think that science has great beauty. A scientist in his laboratory is not merely a technician: he is also a child confronting natural phenomena that impress him as though they wer…"

"You cannot hope to build a better world without improving the individuals. To that end, each of us must work for his own improvement, and at the same time share a general responsibility for all humani…"

"A scientist must not be a poet. A scientist must be a scientist."

"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves."

"My husband and I were so closely united by our affection and our common work that we passed almost our whole time together."